The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 2007
Filed:
Jul. 23, 2004
Applicants:
Tetsuaki Furushima, Wakayama, JP;
Masaharu Jono, Wakayama, JP;
Inventors:
Tetsuaki Furushima, Wakayama, JP;
Masaharu Jono, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is a process for producing polyoxyalkylene triamine by bringing polyoxyalkylene triol having at its terminal a hydroxyl group into contact with ammonia and hydrogen in the presence of a catalyst comprising ruthenium metal at an amount of 0.5 to 20% by weight of the total of the catalyst, the ruthenium metal being carried on at least one carrier selected from alumina, silica, silica-alumina, titanium dioxide, and titanium dioxide-silica.